Answer:
Wegnerkolmp2741o is wrong.
Explanation:
of one side of the paralleogram is 60 then so is another side
a
b=60
c=60
d=
2a+120=360
-120 -120
240
divide 240 by 2 and angles a and are 120
one way to check this is to multiply 120 by 3 and you get 360